body {
	margin: 0;
	padding: 0;
}
ul {
	padding: 0;
	margin: 0;
	list-style: none;
	padding-top: 1px;
	margin-top: -1px;
}
ul li {
	margin: 10px;
  border: 1px solid #fff;
  border-radius: 4px;
  box-shadow: 1px 1px 5px #666;
  height: 100px;
  text-align: center;
  line-height: 100px;
  font-weight: bolder;
  font-family: "微软雅黑";
  margin-bottom: 0;
}